Question 1 (b)

Positive and normative economics compared

5 marks

Time to write
About 10 minutes
Topic
Economic models, incentives, efficiency and equity

Question

Question 1 (b) · 5 marks

Differentiate between positive and normative economics. (10,5)

Reworded from the university paper; the task is the same. The original paper belongs to the University of Delhi. See DU's question bank.

Before you write

Read off the question and its marks

10 minfor 5 marks

Read from the question

  • Differentiate betweenSet the differences out in a table, basis by basis, not as two separate essays.

What the paper leaves open

As printed, the marks (10,5) are written once, at the end of part (b), for parts (a) and (b): 10 and 5 marks.

Write it in this order

  1. Read; underline the asks; jot your points 1 min
  2. 1 Meaning of positive economics 1 mark 1 min
  3. 2 Meaning of normative economics 1 mark 1 min
  4. 3 Differences set out point by point 1½ marks 3 min
  5. 4 Examples of each 1 mark 2 min
  6. 5 Link between the two and conclusion ½ mark 1 min
  7. Check: every ask answered, key terms underlined 1 min

Easy marks

  • Meaning of positive economics (step 1, 1 mark): a definition in one or two lines. It opens the answer, so it takes a minute or two.
  • Meaning of normative economics (step 2, 1 mark): a definition in one or two lines. A minute or two.

Try it first. About 10 minutes for 5 marks. Write it out, then open the solution.

Solution

Hover or tap a marked figure, like 72,000, to see how it is made and where else it appears.

Every economy has to settle what to produce, how to produce it and for whom, and different mechanisms (the market, central planning or a mix) can settle these problems in different ways, giving different allocations and distributions. Economists therefore ask two kinds of question about any mechanism: how does it work, and is it a good way to do things? The first kind belongs to positive economics, the second to normative economics.

Positive economics. Positive analysis studies how an economic mechanism actually functions and works out the outcomes it is likely to produce. Its statements describe cause and effect: what is, what was, or what will happen if something changes. Because such a statement is about how things work, it can in principle be checked against what actually happens, and it may turn out right or wrong.

Normative economics. Normative analysis evaluates a mechanism: it asks whether the mechanism, and the outcomes it produces, are desirable. Its statements carry a judgment about what ought to be, so they depend on the values of the person making them, and facts alone cannot settle them.

The differences.

BasisPositive economicsNormative economics
Question askedHow does it work, and what will happen?Is it desirable, and what should be done?
Nature of the statementDescribes or predictsJudges or recommends
Basis of the statementCause and effectValues and judgment
Settling a disputeBy looking at the evidenceBy argument over values, not by facts alone
Typical wordsis, was, will, leads toshould, ought to, better, fair

Examples. Our own.

  • Positive: if the GST rate on two-wheelers is cut, more two-wheelers will be sold in India. This predicts an effect that sales data can confirm or refute.
  • Normative: the government should cut the GST rate on two-wheelers so that families can afford them. This recommends a policy; whether it is right depends on how one weighs cheaper vehicles against lost tax revenue and more traffic.

How the two are linked. The distinction is not a sharp one. Positive and normative questions about the central problems of an economy are closely tied together, and neither can be properly understood without the other: a sound recommendation on what ought to be done needs a correct understanding of what the policy will actually do.

Conclusion. Positive economics explains how economic mechanisms work and what they lead to; normative economics judges whether those mechanisms and outcomes are desirable and what should be done. The first rests on cause and effect, the second on value judgments, though in practice the two go hand in hand.

Where the 5 marks sit

#ComponentMarks
1Meaning of positive economics1
2Meaning of normative economics1
3Differences set out point by point1.5
4Examples of each1
5Link between the two and conclusion0.5
Total5
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